Question

A study was conducted on a high-pressure inlet fogging method for a gas turbine engine. Researchers considered two models. Partial output is provided below.

Source	Df	SS	MS	F
Regression	5	148526859	29705372	94
Error	61	19370350	317547
Total	???	167897208

Source	Df	SS	MS	F
Regression	???	142586570	47528857	???
Error	63	25310639	401756
Total	???	167897208

Answer the following questions rounding off at the nearest integer.

The number of observations collected for the study is equal to ______

The number of predictors considered in the reduced model is equal to _____

The F-test for global utility of the reduced model is equal to ______

Results suggest that the complete model provides additional information compared to the reduced model. In fact, the F-test for nested models is equal to ______ which is greater than the rejection region F(alpha =0.05) with numerator degrees of freedom equal to _______ and denominator degrees of freedom equal to  .________

Answer 1